27781661 (number)

27781661 is an odd 8-digits composite number following 27781660 and preceding 27781662. In scientific notation, it is written as 2.7781661 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 27390300 positive integers (up to 27781661) that are relatively prime to 27781661.

Interesting facts

Basic properties

Name

Name twenty-seven million seven hundred eighty-one thousand six hundred sixty-one

Notation

Scientific notation 2.7781661 × 10^7
Engineering notation 2.7781661 × 10^6

Prime Factorization of 27781661

Prime Factorization 71 × 391291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 27781661
Product of the distinct prime numbers

The prime factorization of 27781661 is 71 × 391291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27781661)

Multiplication

n×y
n×2 55563322
n×3 83344983
n×4 111126644
n×5 138908305

Division

n÷y
n÷2 13890830.5
n÷3 9260553.6666667
n÷3 6945415.25
n÷5 5556332.2

Exponentiation

ny
n2 771820687918921
n3 2.144246070455E+22
n4 5.9570717429964E+29
n5 1.654973477166E+37

Nth Root

y√n
2√n 5270.8311488797
3√n 302.86754404725
4√n 72.600490004405
5√n 30.814252823263

Divisors of 27781661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27781660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27781661 can be divided by 4 positive divisors. The sum of these divisors (counting 27781661) is 1, the average is 0.25.

Base conversion 27781661

Base System Value
2 Binary 1101001111110101000011101
3 Ternary 1221021110021102
4 Quaternary 1221332220131
5 Quinary 24103003121
6 Senary 2431242445
8 Octal 151765035
10 Decimal 27781661
12 Duodecimal 9379425
16 Hexadecimal 1a7ea1d
20 Vigesimal 8dce31
36 Base36 gjggt

Cryptographic Hash Functions

md5 79fb6f38539b0cf3af9880c125b97dc5
sha1 3f2a906be46c535e6ca05900c2bef0eec1d6c866
sha256 1f17c471a8e618ac655d46a36f7f75eab01683d4ddf88408d098cac2ea2c508a
sha512 c78c5749c5751af8e81e34d9273cd90ace1ccf0df534f033a34d2c901bebb54e344b4e589965f09f38a91c29b4d7bfb2fab24b9361944c2262f57ce130acf840
ripemd-160 234a9ee9017d6fd0e1d6b91be03086fdc59ab509

27781661 as geometric shapes

Circle

Radius = n
Diameter 55563322
Circumference 174557324.20424
Area 2.4247462030547E+15

Sphere

Radius = n
Volume 8.9817969365737E+22
Surface area 9.6989848122188E+15
Circumference 174557324.20424

Square

Length = n
Perimeter 111126644
Area 771820687918921
Diagonal 39289201.771452

Cube

Length = n
Surface area 4630924127513526
Volume 2.144246070455E+22
Space diagonal 48119248.370655

Equilateral Triangle

Length = n
Perimeter 83344983
Area 3.3420816145208E+14
Altitude 24059624.185327

Triangular Pyramid

Length = n
Surface area 3.3420816145208E+14
Volume 2.5270182282523E+21
Height 13096400.590484